Some interesting pages on the Dutch Camp system:
Deportations from the Netherlands Transit Camps in the Netherlands Vught Concentration Camp (Holland)
There seems to have been some controversy broken out about the excellent Deathcamps.org site, looks like another copy of it has been posted under death
-camps.org ('-' added) with dodgy links to denialists and a claimed attempt to profit from the Holocaust??.
ARC Copyright & Free Use!
Could be worth establishing for certain which is the right one as both sites have claims to be the original... very odd.